Chip-removing mechanism.



A. NOVICK. CHIP REMOVING MECHANISM.

0 ULYZI 191 Patenfed Jan. 7,1919.

TED STATES PATENT onnron.

ABRAHAM NOVICK, OF NEW YORK, N. Y., ASSIGNOR-I'O UNITED STATES ENVELOPE- COMJEANY, OF SPRINGFIELD, MASSACHUSETTS, A CORPORATION OF MAINE.

GHIP-rBEMOVING MECHANISM.

manner Spegification of Letters Patent.

Application filed July 21,1917. Serial no. 182,025.

To all whom it may concern:

Be it known that I, ABRAHAM NOVIG'K, a citizen of the United States, and a resident of the city of New York, county of Kings, and State of New York, have invented certain new and useful Improvements in Chip- Removing Mechanism, of which the following, together with the accompanying drawings, is a specification.

The present invention relates to chip removing mechanism, and in particular has reference to envelop and paper bag machinery, or other machinery of a similar class, where 1t is desired to remove "chips or waste pieces of material which are cut from the web or blank being operated upon. The present application constitutes a continuation of my forfeited application Serial No. 798.236, filed October a0, 1913. y a

The invention resides in the provision of novel means for gripping and separating the partially severed chip from the web or blank which is being operated upon, the invention being herein shown, by way of example, with reference to a continuous web of are formed by the chip cutting and removing devices hereinafter described. The invention is fully set forth in the following description and particularly pointed out in the annexed claims, reference beinghad in this connection to the accompanying drawings, in which Figure 1 is a fragmentary plan view of mechanism constituting part of an envelop machine, which illustrates my invention.

Fig. 2 is an enlarged vertical section on.

the line 22 of Fig. 1, showing the chip gripping roll in the act of seizing a chip.

Fig. 3 is a detached sectional view of said roll in a position advanced a quarter turn from the position shown in Fig. 2.

, Fig. tie a view similar to Fig. 3, showing said roll in a position advanced a half turn en-' velop material, from which envelop blanks suitable forwarding devices, such as rolls, belts or the like, not shown, for the advancement of a continuous web of material 2, from which, inthe present instance, blanks of the desired shape are formed by severance of the web on predetermined lines and by. removal of chips or waste'therefrom, in themanner hereinafter described. chips, the machine provides, in conjunction with the web forwarding devices, no t shown, a pair of cooperating rolls 3 and 1, which are carried on shafts 5 and 6 respectively haying journaled bearings in the side frames '1, 1. Said shafts have intermeshing gears.

' 7, 7, thereon, one of which is shown in Fig. 1, and one of said gears is driven from a suitable Patented Jan. 7, 1919.

For cutting said source of power, not shown, whereby the two 3 rolls 3 and 4 are rotated in unison in oppositedirections with the web 2 passing between said rolls and traveling in the direction of arrow A, Fig.2. The roll 3 preferably provides a hardenedsurface 8, and the roll 4 carries a cutting device 9 which projects outwardly from the periphery of said roll into rolling contact with the hardened surface 8, whereby at each revolution of the roll 4:, the web 2 is acted upon by the cutting edges of device 9. As herein shown, said cutting device 9 is so shaped as to make four intersecting incisions in the web 2 at each revolution, as shown at 10,.Fig. 1, the chip thus formed being carried along with the advancing web 2, by certain of the fibers of the material which are not completely severed by the cutting operation. It will be understood that chips formed inthe center or body of the web,'as herein shown, are merely selected for purposes of illustration, since it will be clear that .my invention, as hereinafter described,,is equally applicable to chips of any character whatsoever, which are formed in any part of a webor blank, or along the edges thereof.

In advance of the cutting rolls 3 and 4: are disposed the chip removmg rolls 11 and 12, the same being mounted on shafts 13 and 14 respectively, which are journaled in the side frames 1, 1 and carr intermeshing gears 15, 15, oneof the latter eing shown in Fig. 1. One of said gears 15 is drlven by an idler pinion 16, from the corresponding gear 7 of the cutting rolls, whereby the rolls 11 and 12 are rotated in unison'in opposite directions, in the same relation to the web 2 as the rolls 3 and 4. One of said rolls, here slot 21 i so shown as the lower roll 11, provides a longitudinal slot for the operation of a radially disposed tucker blade 17, the latter being yieldingly held against the rear side of the slot by a compression-spring 18, whose force is varied by a; screw 19 which enters a recess 20 in said roll .and passes loosely through said tucker blade, to hold the same in position. The rotation of roll 11 is so timed as to cause the tucker blade 17 to engage each partially severed chip 10 in the web 2, whereby, owing to the projection of said blade above the periphery of said roll, said chip is deflected away from the surface of the web, as shown in Fig. 2.

' ,Coincident with the deflection of each chip 10 by the tucker blade 17 the rotation of roll 12 brings a slot 21 of said roll directly over the deflected chip, the tucker blade entering said slot 21, as shown in Fig. 2. The .roll 12 has journaled therein, adjacent said slot 21, a rock shaft 22, which carries on its outer end a gripper blade 23 for operation within said slot 21. end of rock shaft 22 supports a; bent arm or lever 24, which projects in opposite directions therefrom. One end of arm 24 has attached thereto a spring 25,v whose other end is fixed, as at 26,.to the roll 12, the force of said spring being exerted to rock the shaft 22 and carry the blade 23 against the advancing side or wall 27 of slot. 21.

The otherend of arm 24 is carried by the rotation of roll 12 against an interior stationary cam surface 28, whereby the shaft 22 is rocked in'the opposite direction to move the blade 23 toward the rear wall 29 of slot 21, in opposition to the force of spring 25. The cam surface 28 is provided by a substantially semi-circular rim or yoke 30, which is secured by screws '31, 31 to one of the side frames 1, said screws preferably extending through elongated slots 32, 32 in said yoke, to permit the latter to be angularly adjusted about the axis of shaft 14.

In the operation of the chi removin mechanism, the parts are so adjusted an timed that the tucker blade 17 deflects the chip 10 upwardly into the slot 21 just in advance of the gripper blade 2.3, and just before the end of arm 24 drops off of cam surface 28, as, shown in Fig. 2. Further rotation of the rolls 1-1 and 12 causes the release of arm 24 by cam surface 28, whereupon the spring 25 ocks the shaft 22 to carry blade 23 towar its advancin wall 27, the chi 10, which has been tucke into the being pinched between said wall and said blade 23 as the tucker blade is carried downwardly' out of said slot. The chip 10 is thus separated from the advancing web 2, and carried upwardly and forwardly by the roll 12, as shown in Fig. 3. At an appropriate time, the end of arm 24 is brought again, by the rotation of roll 12, under the influ- The other ence of cam surface 28, whereby the blade 23 is moved away from the side or wall 27 of slot 21, and the chip is thereby re-I leased, to fall by gravity into any sultable receptacle, shown, or to be otherwise disposed of. As herein shown, the release of said chip may be caused to occur when the roll 12 is rotated through a halfturn, as shown in Fig. 4. In this connection, the suction member 33 may be employed to remove the released chips from the slot 21, as the latter is carried beneath the open mouth of said member. It will be clearly understood, however, that any other chip removing means may be employed, andthat the rolls 11 and 12 may have their positions interchanged, so as to bring the chip gripping roll below the web 2, in which case the chip will fall by gravity out of the slot 21.

I claim,

1. The combination with chip cutting means operable on an advancing blank or web, of gripping means comprising two contacting surfaces between which the chip is seized, means for tucking successively cut chips between said gripping surfaces, and means for moving said gripping means to separate the gripped chip from the web or blank.

2 The combination with chip cutting means operable on an advancing blank or web to partially sever a chip therefrom, of gripping means comprising an unyielding surface and a yielding gripper blade coacting with said unyielding surface to selze 1:. ohm, a spring to move said blade against unyielding surface, means for separating said gripping surfaces to receive a chip, and means for tucking a chip between said gripping means.

3. The combination, with-a pair of rolls having means for cutting a web or blank passing therebetween, of a second pair of rolls having means for removing the chip formed by the cutting operation of said first pair of rolls, said chip removing means comprising arecess in one of said rolls, a yielding tucker blade in the other of said rolls, and a swinging gripper in said recess for engaging the chip.

v4. The combination, with cuttin means operable on an advancing web or b ank, of means for removing the chip produced by said cutting means, comprising a pair of coacting rolls, a swinging chip gripper carried by one of said rolls, a tucker blade carried by the other of said rolls for cooperation with said gripper, and means for actuating said gripper to grip a chip, separate said chip from the web or blank, and release said chip, successively, in the order named. 5. The combination, with cutting means operable on an advancing web or blank,

means for removing the chips produced by the operation of said cutting means, com 7 prising means for deflecting the chip from the plane of the advancing'web or blank, gripplng means disposed on theopposite side of the web or blank from said deflecting, means, and operable to engage the chip thus deflected, and means for releasing the gripped chip from the gripping means at apoint removed from the plane of said web or a blank. V

6. The combination, with cuttingmeans operable on, an advancing web or blank, of.

means for removing the chips produced in said web or blank by the operation of said cutting means, comprising a pair of coactin'g rolls, one on each side of said advancingweb or blank, gripping-means carried by one of said rolls, means carried by the other of said rolls for deflecting a chip into the path ofsaid gripping means, and means for actuating said gripping means to'seize saidchip,

whereby the latter is separated from the web or blank by the rotation of the said first men-. tioned roll Y 7. The combination, with means for-cutting chips from an advancing web or blank, of a pair of coacting rolls, a tucker blade yieldingly mounted in one of saidrolls, a

- rock shaft loosely journaled in the other of said rolls, a gripper blade attached to' said rock shaft, means for rotating said-rolls I path of the gripper blade, means for operating said rock shaft to cause said gripper blade to grip said chip, where by said chip is separated from the web or blank Jon the further rotation of said rolls, and means for operating said rock shaft to release said chip from said gripger blade.

' 8. In a device for gripping an separating chips from an advancing Weber blank, a

in unison, whereby the tucker blade deflects a chip into ,the

revoluble roll, .a tucker blade yieldingly! mounted in said roll, a revoluble slotted roll 7 c0 acting with said first mentioned roll, a rock shaft loosely journaled in said slotted roll,

.a gripper blade attached to said rock shaft,

a shaft to release said chip from said gripper blade.

Dated this 18th day of July, 1917.

- ABRAHAM NOVICK.

Witnesses:

Emor L.-WmnIAMs, Manem'rr E. DO0LEN.- 

